The results are unsettlingly—adorable? It turns out that, like humans, tigers aren't so keen on being active when the temperature outside is freezing and there's snow on the ground. But being territorial, they still make sure to give their snowy intruders an unfriendly welcome, giving us come close-up footage inside their giant fang-filled jaws. And you thought you got cranky when there was a little snow on the ground. [YouTube via Geekosystem]